diff options
Diffstat (limited to 'fs/gfs2/super.c')
| -rw-r--r-- | fs/gfs2/super.c | 35 |
1 files changed, 21 insertions, 14 deletions
diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c index b018957a1bb2..eac9b0c34aac 100644 --- a/fs/gfs2/super.c +++ b/fs/gfs2/super.c @@ -475,6 +475,12 @@ static void gfs2_dirty_inode(struct inode *inode, int flags) int need_endtrans = 0; int ret; + if (unlikely(!ip->i_gl)) { + /* This can only happen during incomplete inode creation. */ + BUG_ON(!test_bit(GIF_ALLOC_FAILED, &ip->i_flags)); + return; + } + if (unlikely(gfs2_withdrawn(sdp))) return; if (!gfs2_glock_is_locked_by_me(ip->i_gl)) { @@ -927,8 +933,7 @@ static int gfs2_drop_inode(struct inode *inode) { struct gfs2_inode *ip = GFS2_I(inode); - if (!test_bit(GIF_FREE_VFS_INODE, &ip->i_flags) && - inode->i_nlink && + if (inode->i_nlink && gfs2_holder_initialized(&ip->i_iopen_gh)) { struct gfs2_glock *gl = ip->i_iopen_gh.gh_gl; if (test_bit(GLF_DEMOTE, &gl->gl_flags)) @@ -1076,7 +1081,13 @@ static void gfs2_final_release_pages(struct gfs2_inode *ip) struct inode *inode = &ip->i_inode; struct gfs2_glock *gl = ip->i_gl; - truncate_inode_pages(gfs2_glock2aspace(ip->i_gl), 0); + if (unlikely(!gl)) { + /* This can only happen during incomplete inode creation. */ + BUG_ON(!test_bit(GIF_ALLOC_FAILED, &ip->i_flags)); + return; + } + + truncate_inode_pages(gfs2_glock2aspace(gl), 0); truncate_inode_pages(&inode->i_data, 0); if (atomic_read(&gl->gl_revokes) == 0) { @@ -1218,10 +1229,8 @@ static enum dinode_demise evict_should_delete(struct inode *inode, struct gfs2_sbd *sdp = sb->s_fs_info; int ret; - if (test_bit(GIF_ALLOC_FAILED, &ip->i_flags)) { - BUG_ON(!gfs2_glock_is_locked_by_me(ip->i_gl)); + if (unlikely(test_bit(GIF_ALLOC_FAILED, &ip->i_flags))) goto should_delete; - } if (test_bit(GIF_DEFERRED_DELETE, &ip->i_flags)) return SHOULD_DEFER_EVICTION; @@ -1298,9 +1307,11 @@ static int evict_unlinked_inode(struct inode *inode) do, gfs2_create_inode can create another inode at the same block location and try to set gl_object again. We clear gl_object here so that subsequent inode creates don't see an old gl_object. */ - glock_clear_object(ip->i_gl, ip); + if (ip->i_gl) { + glock_clear_object(ip->i_gl, ip); + gfs2_inode_remember_delete(ip->i_gl, ip->i_no_formal_ino); + } ret = gfs2_dinode_dealloc(ip); - gfs2_inode_remember_delete(ip->i_gl, ip->i_no_formal_ino); out: return ret; } @@ -1367,12 +1378,7 @@ static void gfs2_evict_inode(struct inode *inode) struct gfs2_holder gh; int ret; - if (test_bit(GIF_FREE_VFS_INODE, &ip->i_flags)) { - clear_inode(inode); - return; - } - - if (inode->i_nlink || sb_rdonly(sb)) + if (inode->i_nlink || sb_rdonly(sb) || !ip->i_no_addr) goto out; gfs2_holder_mark_uninitialized(&gh); @@ -1429,6 +1435,7 @@ static struct inode *gfs2_alloc_inode(struct super_block *sb) ip = alloc_inode_sb(sb, gfs2_inode_cachep, GFP_KERNEL); if (!ip) return NULL; + ip->i_no_addr = 0; ip->i_flags = 0; ip->i_gl = NULL; gfs2_holder_mark_uninitialized(&ip->i_iopen_gh); |